Cute gobby, [MENTION=22204]Swagmaster Sam[/MENTION]
First off I'd swap heavy ring for advisor's or something with spirit on, so that you don't need to waste a trinket slot with a rune - seeing as you already have +10 spirit to shield. Unless of course you're already hit capped without rune of perfection.
Next although you already have 8% haste I'd swap the haste on your boots for movement speed, and the enchant on your gloves I would swap for haste. Movement speed is much more important than a tiny bit of spell power when you're already a stronk 24. It's all about positioning, trust me. [edit: sorry just read you were planning on getting boot speed, but my point stands]
Now if you really want to keep the transmog I suppose you don't need to worry about the proper BoAs, but armor does make a huge difference. However I'm guilty too - my shaman uses leather BoA shoulders for mog purposes.
Fantastic choice going goblin, I wouldn't change race for the world. I probably don't have to say this but just incase; never use rocket barrage, save your racial for rocket jump.
Lastly, I see you mentioned AGM. Seeing that you have Nature's Guardian, I strongly suggest you avoid AGM. Use Mark of Tyranny and stack it with your Nature's Guardian. You can use it much more often, you'll get more survivability out of it, AND it has a slight resilience boost. Not to mention you already have more than enough health.
My shaman is the second X in my signature, and if you think I might not be a credible source, ask Brainwash : )